// Copyright 2017 The Wuffs Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

// ---------------- Images

WUFFS_BASE__MAYBE_STATIC uint64_t  //
wuffs_base__pixel_swizzler__limited_swizzle_u32_interleaved_from_reader(
    const wuffs_base__pixel_swizzler* p,
    uint32_t up_to_num_pixels,
    wuffs_base__slice_u8 dst,
    wuffs_base__slice_u8 dst_palette,
    const uint8_t** ptr_iop_r,
    const uint8_t* io2_r);

WUFFS_BASE__MAYBE_STATIC uint64_t  //
wuffs_base__pixel_swizzler__swizzle_interleaved_from_reader(
    const wuffs_base__pixel_swizzler* p,
    wuffs_base__slice_u8 dst,
    wuffs_base__slice_u8 dst_palette,
    const uint8_t** ptr_iop_r,
    const uint8_t* io2_r);

WUFFS_BASE__MAYBE_STATIC uint64_t  //
wuffs_base__pixel_swizzler__swizzle_interleaved_transparent_black(
    const wuffs_base__pixel_swizzler* p,
    wuffs_base__slice_u8 dst,
    wuffs_base__slice_u8 dst_palette,
    uint64_t num_pixels);

WUFFS_BASE__MAYBE_STATIC wuffs_base__status  //
wuffs_base__pixel_swizzler__swizzle_ycck(const wuffs_base__pixel_swizzler* p,
                                         wuffs_base__pixel_buffer* dst,
                                         wuffs_base__slice_u8 dst_palette,
                                         uint32_t width,
                                         uint32_t height,
                                         wuffs_base__slice_u8 src0,
                                         wuffs_base__slice_u8 src1,
                                         wuffs_base__slice_u8 src2,
                                         wuffs_base__slice_u8 src3,
                                         uint32_t width0,
                                         uint32_t width1,
                                         uint32_t width2,
                                         uint32_t width3,
                                         uint32_t height0,
                                         uint32_t height1,
                                         uint32_t height2,
                                         uint32_t height3,
                                         uint32_t stride0,
                                         uint32_t stride1,
                                         uint32_t stride2,
                                         uint32_t stride3,
                                         uint8_t h0,
                                         uint8_t h1,
                                         uint8_t h2,
                                         uint8_t h3,
                                         uint8_t v0,
                                         uint8_t v1,
                                         uint8_t v2,
                                         uint8_t v3,
                                         bool triangle_filter_for_2to1);

// ---------------- Images (Utility)

#define wuffs_base__utility__make_pixel_format wuffs_base__make_pixel_format